//
// Created by BaiXin on 2025/8/19.
//

# include "iostream"

using namespace std;

int main() {
    //1.变量的定义，变量类型 变量名；
    int age;
    //2.变量的赋值，变量名 = 变量值；
    age = 20;

    cout << age << endl;

    string a = "22";

    cout << a << endl;
    return 0;

}
